Project Number Date
test_Tails_ISO_devel 3854 04 Jun 2025, 13:46

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 13:13.609 Passed
Tags: @product @slow @not_release_blocker
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
Tags: @product @slow @not_release_blocker
26.660
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.465
And I prepare Tails for memory erasure tests 0.509
When I start a process allocating 128 MiB of memory with a known pattern 3.124
Then patterns cover at least 128 MiB in the guest's memory 5.293 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.760
Then I find very few patterns in the guest's memory after 5 seconds 8.506 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 0.931
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.155
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.744
And I prepare Tails for memory erasure tests 0.636
And I find very few patterns in the guest's memory 3.788 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.256
Then patterns cover at least 99% of the test FS size in the guest's memory 3.899 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.587
Then I find very few patterns in the guest's memory after 3 seconds 7.242 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 1.084
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.082
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 9.108
And I prepare Tails for memory erasure tests 0.586
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.131
Then I find very few patterns in the guest's memory 3.919 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.962
Then patterns cover at least 75% of the test FS size in the guest's memory 5.936 
Pattern coverage: 87.880% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.526
Then I find very few patterns in the guest's memory after 3 seconds 7.280 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.301
And I read the content of the test FS 3.105
Then patterns cover at least 99% of the test FS size in the guest's memory 4.386 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.935
Then I find very few patterns in the guest's memory after 3 seconds 6.901 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 1.126
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:42.170
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.009
Given I have started Tails from DVD without network and logged in 9.625
And I prepare Tails for memory erasure tests 0.678
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 55.058
Then I find very few patterns in the guest's memory 3.773 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.953
Then patterns cover at least 99% of the test FS size in the guest's memory 3.953 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.254
Then I find very few patterns in the guest's memory after 3 seconds 7.086 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 4.492
And I read the content of the test FS 2.345
Then patterns cover at least 99% of the test FS size in the guest's memory 4.396 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.675
Then I find very few patterns in the guest's memory after 3 seconds 6.876 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 0.934
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.987
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.862
And I prepare Tails for memory erasure tests 0.577
When I fill a 128 MiB file with a known pattern on the root filesystem 16.553
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.946
Then patterns cover at least 128 MiB in the guest's memory 3.118 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.913 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 3.545
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:48.552
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 8:2.819
And I prepare Tails for memory erasure tests 0.414
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.868
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.439 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:330 3.532
After features/support/hooks.rb:100 0.012